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Bug 748917 - multi display: real mouse pointer position does not align with cursor
Summary: multi display: real mouse pointer position does not align with cursor
Keywords:
Status: CLOSED DUPLICATE of bug 732467
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: spice-vdagent
Version: 6.2
Hardware: All
OS: Linux
unspecified
high
Target Milestone: rc
: ---
Assignee: Hans de Goede
QA Contact: Desktop QE
URL:
Whiteboard:
Depends On:
Blocks: 740851
TreeView+ depends on / blocked
 
Reported: 2011-10-25 14:58 UTC by Lubos Kocman
Modified: 2012-01-25 17:10 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-01-25 17:10:56 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)
screenshot of the incident (939.71 KB, image/png)
2011-10-25 14:58 UTC, Lubos Kocman
no flags Details
xorg.conf with xinerama over two qxl's (1.25 KB, application/octet-stream)
2011-10-25 15:04 UTC, Lubos Kocman
no flags Details

Description Lubos Kocman 2011-10-25 14:58:51 UTC
Created attachment 530113 [details]
screenshot of the incident

Description of problem:

This issue is extending mouse issue from Bug 732467 as nobody was describing this issue. The cursor is not reflecting the real pointer position.


Version-Release number of selected component (if applicable):
spice-vdagent-0.8.1-2.el6.x86_64
spice-client-0.8.2-7.el6.x86_64


How reproducible:


Steps to Reproduce:
1. start rhel62 guest with xinerama enabled (requires to set 2 qxl devices)
2. connect to it trough spice
3. do a mouse drag (just like on screenshot)
  
Actual results:
see the difference between actual position of cursor and the real position

Expected results:

cursor should reflect the real position

Additional info:

turning of vdagent fixes the issue.

Comment 2 Lubos Kocman 2011-10-25 15:04:30 UTC
Created attachment 530114 [details]
xorg.conf with xinerama over two qxl's

Comment 3 Hans de Goede 2011-10-27 14:44:58 UTC
Looking at the screenshot this seems exactly like the behavior which I would expect when using multi monitor with the agent, while not having bug 732467 fixed. Did you test this with one of the brew scratch builds which has bug 732467 fixed?

If not I suggest closing this as a duplicate of bug 732467. I know that the original bug description in bug 732467 is different from what you are seeing now, but the fix for bug 732467 involves changing the way how input coordinates from absolute input devices are interpreted when you've a multiple monitor Xinerama setup, the agent with multi monitor support provides coordinates in the format matching the new agreed up on way to interpret them, so using an unfixed Xorg will result in the mouse position being off. To get the old stuck to right pointer behavior use qemu with a usb tablet and without the agent.

Comment 4 David Blechter 2011-10-27 20:08:46 UTC
moving to 6.3, too late for 6.2, unfortunately


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